Sets graph layout engine back to FDP
Adds PSR-2 conventions.
Moves framework to a seperate dot file.
Minor addition to convention list.
Adds the ability to zoom the graph on the index page
Add different arrowheads for each framework
Removes unneed line of JS in the index file.
Puts all of the conventions in a seperate subgraph.
Updates graph to include arrowhead change
Minor change to convention list